i-bash/examples/functions/notify.bash
2009-09-12 16:46:49 +00:00

58 lines
732 B
Bash

trap _notify CHLD
NOTIFY_ALL=false
unset NOTIFY_LIST
unalias false
false()
{
return 1
}
_notify ()
{
local i j
local newlist=
if $NOTIFY_ALL
then
return # let bash take care of this itself
elif [ -z "$NOTIFY_LIST" ]; then
return
else
set -- $NOTIFY_LIST
for i in "$@"
do
j=$(jobs -n %$i)
if [ -n "$j" ]; then
echo "$j"
jobs -n %$i >/dev/null
else
newlist="newlist $i"
fi
done
NOTIFY_LIST="$newlist"
fi
}
notify ()
{
local i j
if [ $# -eq 0 ]; then
NOTIFY_ALL=:
set -b
return
else
for i in "$@"
do
# turn a valid job spec into a job number
j=$(jobs $i)
case "$j" in
[*) j=${j%%]*}
j=${j#[}
NOTIFY_LIST="$NOTIFY_LIST $j"
;;
esac
done
fi
}